package com.itheima.aop;


import com.itheima.service.imp.StudentServiceImpl;
import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

@Slf4j
@Component
@Aspect //AOP类
public class TimeAspect {

    @Autowired
    private StudentServiceImpl studentService;

    @Around("execution(* com.itheima.controller.*.*(..))") //切入点表达式
    public Object recordTime(ProceedingJoinPoint joinPoint) throws Throwable {
        //1. 记录开始时间
        long begin = System.currentTimeMillis();
        //2. 调用原始方法运行
        Object result = joinPoint.proceed();

        //studentService.test();
        //3. 记录结束时间, 计算方法执行耗时
        long end = System.currentTimeMillis();

        log.info(joinPoint.getSignature() + "方法执行耗时: {} ms", end - begin);
        log.info(joinPoint.getSignature() + "方法执行耗时: {} ms", end - begin);
        log.info(joinPoint.getSignature() + "方法执行耗时: {} ms", end - begin);


        return result;
    }

}
